Astronomy 🪐 Flashcards
(23 cards)
What is the theoretical boundary around a black hole called? ⭐️
Event horizon
What is the longest volcano in the solar system? ⭐️
Olympus Mons
What is the closest galaxy to Earth? ⭐️
Andromeda
What is the dark spot on Neptune? ⭐️
A hole in the methane cloud deck
What force keeps the planets in orbit around the sun?
Gravity
What is the largest planet in our solar system?
Jupiter
Which planet is known as the Red Planet?
Mars
What is the smallest planet in our solar system?
Mercury
Which is the coldest planet in the solar system? ⭐
Neptune
Which planet is closest in size to Earth? ⭐
Venus
Which planet is the hottest in the solar system? ⭐️
Venus
Which planet is known for its rings?
Saturn
Which planet has a hexagon shaped cloud formation on its north pole? ⭐️
Saturn
What is the second-largest planet in the solar system?
Saturn
Which planet in the solar system has the longest day? ⭐️
Venus
Which planet in the solar system has the shortest day? ⭐️
Jupiter
What is the largest moon in the solar system? ⭐️
Ganymede
What was the first space nation? ⭐️
Asgardia
Who discovered the planet Neptune? ⭐️
Johann Galle
What is the star closest to Earth after the Sun? ⭐️
Proxima Centauri
What was the first man-made object to reach the Moon? ⭐️
Luna 2
Which planet has winds exceeding 1200 mph? ⭐️
Neptune
Which planet has large volumes of water, possibly more than Earth’s oceans? ⭐️
Jupiter (in the form of subsurface water on its moons, especially Europa)
